The OR 4.975 0.275" 75 FKM V750F is a high-quality O-ring manufactured by Freudenberg-NOK. This O-ring features a 4.975" inner diameter and a 0.275" cross-section, made from 75 durometer Fluoroelastomer (FKM), providing exceptional resistance to heat, chemicals, and aggressive fluids. Ideal for use in harsh environments, including automotive and aerospace applications, this O-ring ensures a reliable seal under various pressures and temperatures. Its durable construction meets stringent industry standards, making it a dependable choice for critical sealing applications.